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China SHENGYU® Disperse Fluorescent Blue S-R 300% - High-Strength Dye from Reliable Suppliers & Factory

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● Discover our high-strength blue dye, crafted for exceptional depth and a signature glow, perfect for all your professional dyeing needs.

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● With advanced treatment processes, this dye ensures smooth dispersion in bulk batches, making it an ideal choice for China dyeing suppliers.

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● This dye is an essential component for mixing deep and radiant fluorescent tones, providing versatility for designers.

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● Thanks to its easy wash-off properties, it effectively lowers costs and significantly shortens processing times, beneficial for factory operations.

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● Our product offers designers a diverse range of options compatible with all professional dyeing techniques.

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● The high-energy S type structure of this dye ensures remarkable stability even under HTHP conditions, making it a reliable choice for China textile suppliers.

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  • Model: Blue S-R 300%
  • Brand: Shengyu
  • Place of Origin: China
  • Color: Blue
  • CI.NO.: B-354


Product Attributes

1. Dye TypeDisperse Dyes
2. Applicable FiberPolyester / Acrylic
3. Color Index Generic NameDisperse Blue 354
4. Physical FormPowder
5. Compliance CertificationsZDHC Level-3, OEKO-TEX
6. Packaging25 kg / Iron Drum
25 kg / Plastic Bag inside Carton
Technical Data Table
Product Name O.W.F(%) Classif. HTHP Thermosol Printing Carrier Light Washing Sublimation Rubbing PH Range
Blue S-R 300% 1 S × 4 4-5 4 4-5 4-6
Symbol Explanation
Dye Group Suitability
S(H): High Energy ◎: Very Suitable
SE: Medium Energy ○: Suitable
E: Low Energy △: Limited Suitable
×: Not Suitable

Product Description

SHENGYU® Disperse Fluorescent Blue S-R 300% is an ultra-high concentration fluorescent disperse dye specifically designed for polyester fabrics, delivering a high-impact, brilliant, and energetic electric blue shade. As a key member of Shengyu's high-performance series, it is engineered for modern textiles requiring extreme visual pop, such as fashion sportswear, high-visibility safety gear, and functional activewear.

This dye offers exceptional color yield and exhaust rates, achieving deep saturation even at standard depths. Its superior dispersion and leveling properties ensure excellent uniformity and high reproducibility, making it an ideal choice for demanding industrial dyeing processes where long-lasting vibrancy is essential.


Key Features and Performance

  • 💡 Brilliant Fluorescent Glow: Delivers a high-purity, luminous blue shade that provides outstanding visual brightness and a modern aesthetic.
  • Ultra-High Concentration: The 300% strength ensures rich, saturated color with lower dosage requirements compared to standard dyes.
  • 🛡️ Reliable Fastness Properties: Maintains solid washing fastness (4-5) and excellent rubbing fastness (4-5) for long-lasting color stability.
  • 🔬 Superior Dispersion & Leveling: Optimized for HTHP processes to ensure uniform uptake and prevent specking or unevenness in large-scale production.
  • 🔁 High Reproducibility: Engineered for consistent batch-to-batch results, significantly reducing the risk of off-shades in industrial environments.
  • 🎯 Wide Application Range: Remains stable within a pH range of 4-6, making it fully compatible with standard polyester dyeing and finishing setups.

Technical Support

We have professional technical team which support target samples testing from customers around the World. Counter samples will be provided after evaluation. Meanwhile customization service is available in our factory. What's more, we can also provide pre shipment samples for new customers during our 1st cooperation.

Flowchart

Package and Shipment

Package

Packing: 25 kg, 50 kg, 125 kg plastic barrels with pallets

Logistics
Shipment

Whether you have your own freight forwarder or you would like us to organize shipment; whether you require delivery FOB to a port in China or CIF to a port near you, we are happy to quote and supply whichever way you choose. Please feel free to discuss all options with us.

Our delivery time: Within 20 days after receipt of T/T or L/C bank copy.

Freight Logistics

Frequently Asked Questions

Q What types of fibers is SHENGYU® Disperse Fluorescent Blue S-R 300% suitable for?
This dye is specifically formulated for Polyester and Acrylic fibers. It is engineered for high-performance dyeing in HTHP processes and is not recommended for natural fibers such as cotton or wool.
Q What does the "300%" strength designation mean for this dye?
The 300% strength indicates this is an ultra-high concentration formulation. Compared to a standard 100% strength dye, you require significantly less product to achieve the same depth of shade, resulting in lower dosage requirements and improved cost efficiency in production.
Q What certifications does this product hold?
SHENGYU® Disperse Fluorescent Blue S-R 300% complies with ZDHC Level-3 and OEKO-TEX standards, making it suitable for use in eco-conscious and responsible textile supply chains that demand verified chemical safety.
Q What are the recommended pH conditions for dyeing with this product?
This dye performs optimally within a pH range of 4–6, which is fully compatible with standard polyester dyeing and finishing bath conditions. Maintaining the correct pH helps ensure consistent color yield and fastness results.
Q Can you provide samples before placing a bulk order?
Yes. Our professional technical team supports target sample testing for customers worldwide. Counter samples will be provided after evaluation. For new customers placing their first order, pre-shipment samples are also available to ensure quality confidence before full production.
Q What packaging options and shipping terms are available?
The product is available in 25 kg iron drums or 25 kg plastic bags inside cartons, as well as 50 kg and 125 kg plastic barrels on pallets. We support both FOB (port in China) and CIF (port of your choice) shipping terms, and we are happy to work with your own freight forwarder or arrange shipment on your behalf. Standard delivery time is within 20 days after receipt of T/T or L/C bank copy.